CN105870767B - It is a kind of to be directed toward adjustable optical fiber output laser generator - Google Patents
It is a kind of to be directed toward adjustable optical fiber output laser generator Download PDFInfo
- Publication number
- CN105870767B CN105870767B CN201610288247.7A CN201610288247A CN105870767B CN 105870767 B CN105870767 B CN 105870767B CN 201610288247 A CN201610288247 A CN 201610288247A CN 105870767 B CN105870767 B CN 105870767B
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- China
- Prior art keywords
- optical fiber
- cavity
- shell
- laser generator
- directed toward
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/101—Lasers provided with means to change the location from which, or the direction in which, laser radiation is emitted
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
Adjustable optical fiber output laser generator is directed toward the invention discloses a kind of, the structure is directed toward the output light of optical fiber output laser generator and carries out high-precision adjusting, visible light beam is passed through in the tail end of optical fiber, the diverging light that a branch of virtual focus is located at the spherical positioning surface centre of sphere is projected by end caps, pass through the multiple high-precision closely-pitched adjusting screws in laser generator tail portion and spring, spherical track and taper track are borrowed, laser generator is made to issue high pointing accuracy light beam.It is disclosed by the invention it is a kind of be directed toward adjustable optical fiber output laser generator, have many advantages, such as that practical, degree of regulation is high, high reliablity, at low cost, the high-precision that can be realized optical fiber output laser generator laser exports.
Description
Technical field
The present invention relates to optical fiber output laser generators, more particularly to a kind of high-precision adjustable optical fiber output of direction to swash
Optical generator.
Background technique
Laser generator is the output window of laser, needs to connect cutting head, plumb joint diverging light collimation focusing is defeated
Out, during output, directive property has vital influence to the collimation focusing of optical path.Conventional optical fiber output laser hair
The output light of raw device, which is directed toward to adjust, is cooperated realization by high-precision mechanical parts, its shortcoming is that: higher cost, directive property
It is difficult to control and precision is low, the serious service performance for affecting laser generator.Therefore, it is necessary to provide a kind of novel light
Fibre output laser generator, to improve the precision of directive property.
Summary of the invention
Adjustable optical fiber output laser generator, Neng Gouda are directed toward technical problem to be solved by the invention is to provide a kind of
Orientation to high-precision directive property exports, to meet the high performance requirements of optical fiber laser output.
The present invention is to solve above-mentioned technical problem and the technical solution adopted is that provide a kind of adjustable optical fiber output of direction
Laser generator, including optical fiber 5 and shell 3, are provided with the cavity 2 for packaged fiber 5 in the shell 3, before the shell 3
End is equipped with the opening 30 being inserted into for end caps 1, and the exit end welding of the optical fiber 5 in the cavity 2 is in the end caps 1
Rear end, which is characterized in that the cavity 2 is the cylindrical body that front is equipped with hemispherical dome structure, and 3 inner body portion of shell is
Pre-small post-large cone shape track structure 32,3 interior front of shell are hemispherical track structure 31, the hemispherical rail
Road structure 31 matches with 2 front hemispherical dome structure shape of cavity, and 2 rear end of cavity is equipped with sealing device for 2 front of cavity
Hemispherical dome structure indentation 3 front of shell hemispherical track structure 31 in, laser virtual focus that the end caps 1 are launched
It coincides with the centre of sphere of the hemispherical dome structure of 2 front of cavity, between the cone shape track structure 32 and the cavity 2
Have a gap, the rear end of the shell 3 penetrate the closely-pitched adjusting screw 7 that two groups are oppositely arranged and spring 8 to 2 rear end of cavity into
Line position sets adjustment, changes the shooting angle of packaged fiber 5 in cavity 2 by adjusting closely-pitched adjusting screw 7.
Further, the rear end of the shell 3 be also fed through one for 2 back-end location of cavity into line-locked locking screw
Silk 13.
Further, the angle between two groups of closely-pitched adjusting screws 7 being oppositely arranged and spring 8 is 90 °.
Further, the angle between the lock screw 13 and the closely-pitched adjusting screw 7 is 135 °.
Further, the sealing device includes sealing ring 9 and sealing ring pressing ring 10, opposite 2 rear end of cavity of the shell 3
The position in face is equipped with seal groove 14, and the setting of sealing ring 9 (compresses cavity 2, the sealing ring pressing ring 10 is solid in seal groove in 4
Due on the shell 3, optical fiber armor (11) are fixed in the sealing ring pressing ring (10), optical fiber 5 is worn out of optical fiber armor 11
Enter to be placed in cavity 2.
Further, the end caps 1 are cylindrical quartz stick, the end face of the quartz pushrod and 5 welding of optical fiber
It need to be polished, polishing angle is 0 °~8 °, and is coated with anti-reflection film, and the other end of the quartz pushrod is plane.
Further, setting is marked with heat-conducting medium 4, the shell 3 between the cavity 2 and the cone shape track 32
On be provided with sealing element 6 for sealing 4 hole for injecting glue of heat-conducting medium.
Further, hygrosensor 12 is additionally provided with inside the shell 3.
The present invention compare the prior art have it is following the utility model has the advantages that
The present invention can be required according to direction in actual use, by the spherical track and taper rail in shell
Road, by adjusting the closely-pitched adjusting screw and spring of outer casing back, cavity can be moved axially and radially inside the shell, to adjust
The direction of optical fiber output can so meet the requirement for being differently directed point light source, improve the directive property precision of light source.Therefore, this hair
It is bright to have many advantages, such as that practical, degree of regulation is high, high reliablity, at low cost, it can be realized optical fiber output laser generator and swash
The high-precision of light exports.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of the present invention；
Fig. 2 is the left view of Fig. 1 preferred embodiment；
Fig. 3 is the cavity body structure schematic diagram of Fig. 1 preferred embodiment；
Fig. 4 is the shell mechanism schematic diagram of Fig. 1 preferred embodiment；
Fig. 5 is the explosive view of Fig. 1 preferred embodiment.
In figure:
1: end caps 2: cavity 3: shell 30: opening
31: hemispherical track structure 32: cone shape track structure 4: heat-conducting medium
5: optical fiber 6: sealing element 7: closely-pitched adjusting screw 8: spring
9: sealing ring 10: sealing ring pressing ring 11: optical fiber armor
12: hygrosensor 13: lock screw 14: seal groove
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 3 is referred to, it is provided by the invention to be directed toward adjustable optical fiber output laser generator, including optical fiber 5 and shell 3,
The cavity 2 for packaged fiber 5 is provided in shell 3,3 front end of shell is equipped with the opening 30 being inserted into for end caps 1, cavity 2
In the rear end of end caps 1, end caps (1) are cylindrical quartz stick, quartz pushrod and optical fiber for the exit end welding of interior optical fiber 5
The end face of 5 weldings need to be polished, and polishing angle is 0 °~8 °, and is coated with anti-reflection film, and the other end of quartz pushrod is plane.
Fig. 4 and Fig. 5 are referred to, cavity 2 is the cylindrical body that front is equipped with hemispherical dome structure, and 3 interior front of shell is hemisphere
Shape track structure 31, hemispherical track structure 31 match with 2 front hemispherical dome structure shape of cavity, and 2 rear end of cavity is equipped with close
The hemispherical dome structure of 2 front of cavity is pressed into the hemispherical track structure 31 of 3 front of shell by seal apparatus, specifically, sealing
Device includes sealing ring 9 and sealing ring pressing ring 10, and shell 3 is equipped with seal groove 14, sealing ring 9 with respect to the position of 2 rear end face of cavity
It is arranged in seal groove 14 and compresses cavity 2, sealing ring pressing ring 10 is fixed on shell 3, is fixed with optical fiber in sealing ring pressing ring 10
Armor 11, optical fiber 5 is penetrated out of optical fiber armor 11 to be placed in cavity 2, wherein sealing ring is non-volatile material, guarantees optical path not
It is contaminated, the material of sealing ring 3 is preferably fluorubber.After cavity 2 and spherical track 31 compress, end caps 2 are launched
Laser virtual focus (O point as shown in the figure) and the centre of sphere of the hemispherical dome structure of 2 front of cavity at coincide, end caps 1 emit
Laser out is projected by the end face of end caps 1；3 inner body portion of shell is pre-small post-large cone shape track structure
32, there is gap between cone shape track structure 32 and cavity 2, heat-conducting medium 4 is marked in gap, heat-conducting medium 4 passes through note
Glue hole fills, and is looped around 2 cylindrical surface surrounding of cavity, and seal by sealing element 6, sealing ring 9 and 3 spherical structure of shell,
Guarantee that 1 optical path of end caps is not contaminated.End caps 1 conduct heat to cavity 2, are full of between cavity 2 and shell 3
Heat is imported shell 3 by heat-conducting medium 4 by heat-conducting medium 4, cavity 2, and shell 3 can carry out air cooling or water cooling will
Heat is taken away.Shell 3 is internally provided with hygrosensor 12, to monitor the temperature of control shell.Wherein, heat-conducting medium 4 can
It is preferred that heat-conducting silicone grease, arctic silver.
The rear end of shell 3 penetrates the closely-pitched adjusting screw 7 that two groups are oppositely arranged and spring 8 and carries out position to 2 rear end of cavity
Adjustment, the rear end of shell 3 be also fed through one for 2 back-end location of cavity into line-locked lock screw 13.It is thin by adjusting
Tooth adjusting screw 7 changes the shooting angle of packaged fiber 5 in cavity 2, the preferred lower thermal conductivity of high-precision closely-pitched adjusting screw 7, low
Thermal expansion coefficient and high intensity wear-resistant material, material can be nigrescence carbon steel, stainless steel, invar.
Fig. 2 is referred to, it is provided by the invention to be directed toward adjustable optical fiber output laser generator, it is preferred that two closely-pitched tune
Saving the angle between screw 7 and two springs 8 can be 90 °, and the angle between lock screw 13 and closely-pitched adjusting screw 7 is
135°.Its specific operating procedure are as follows: be passed through visible light beam in 5 tail end of optical fiber, by end caps 1, project a branch of virtual focus
(O point) is located at the diverging light of the 2 front end hemisphere centre of sphere of cavity, then using 3 interior forward end spherical track of shell as rotary shaft, in addition
The taper track at the middle part of shell 3 is limit track, when use by adjust the high-precision closely-pitched adjusting screw 7 of X-direction to
It stretches, X-direction can be adjusted accordingly so that corresponding spring 8 has；High-precision closely-pitched by adjusting Y-direction is adjusted
Screw 7 can be adjusted Y-direction so that corresponding spring 8 has corresponding flexible, when adjusting X-direction and the side Y simultaneously
To high-precision closely-pitched adjusting screw 7 when can to any direction be directed toward be adjusted.By tightening locking screw after the completion of adjusting
Silk 13 can reach positioning requirements.
Although the present invention is disclosed as above with preferred embodiment, however, it is not to limit the invention, any this field skill
Art personnel, without departing from the spirit and scope of the present invention, when can make a little modification and perfect therefore of the invention protection model
It encloses to work as and subject to the definition of the claims.
Claims (9)
1. a kind of be directed toward adjustable optical fiber output laser generator, including optical fiber (5) and shell (3), setting in the shell (3)
There is the cavity (2) for packaged fiber (5), shell (3) front end is equipped with the opening (30) being inserted into for end caps (1), institute
State rear end of the exit end welding in the end caps (1) of the optical fiber (5) in cavity (2), which is characterized in that the cavity
(2) cylindrical body of hemispherical dome structure is equipped with for front, shell (3) inner body portion is pre-small post-large cone shape rail
Road structure (32), shell (3) interior front are hemispherical track structure (31), the hemispherical track structure (31) and chamber
Body (2) front hemispherical dome structure shape matches, and cavity (2) rear end is equipped with sealing device for the hemisphere of cavity (2) front
Shape structure is pressed into the hemispherical track structure (31) of shell (3) front, the laser virtual focus that the end caps (1) are launched
It coincides with the centre of sphere of the hemispherical dome structure of the cavity (2) front, the cone shape track structure (32) and the cavity
(2) there is gap between, setting is marked with heat-conducting medium (4) between the cavity (2) and the cone shape track (32), described outer
The rear end of shell (3) penetrates the closely-pitched adjusting screw (7) that two groups are oppositely arranged and spring (8) and carries out position to the cavity (2) rear end
Adjustment is set, changes the shooting angle of cavity (2) interior packaged fiber (5) by adjusting closely-pitched adjusting screw (7).
2. according to claim 1 be directed toward adjustable optical fiber output laser generator, which is characterized in that the shell (3)
Rear end be also fed through one for cavity (2) back-end location into line-locked lock screw (13).
3. according to claim 2 be directed toward adjustable optical fiber output laser generator, which is characterized in that described two groups opposite
Angle between the closely-pitched adjusting screw (7) and spring (8) of setting is 90 °.
4. according to claim 3 be directed toward adjustable optical fiber output laser generator, which is characterized in that the lock screw
(13) angle between the closely-pitched adjusting screw (7) is 135 °.
5. according to claim 1 or 2 be directed toward adjustable optical fiber output laser generator, which is characterized in that the sealing
Device includes sealing ring (9) and sealing ring pressing ring (10), and the shell (3) is equipped with sealing with respect to the position of cavity (2) rear end face
Slot (14), sealing ring (9) setting compress cavity (2) in seal groove (14), and the sealing ring pressing ring (10) is fixed on institute
It states on shell (3), is fixed with optical fiber armor (11) in the sealing ring pressing ring (10), optical fiber (5) is worn out of optical fiber armor (11)
Enter to be placed in cavity (2).
6. according to claim 5 be directed toward adjustable optical fiber output laser generator, which is characterized in that the end caps
(1) be cylindrical quartz stick, the quartz pushrod and the end face of the optical fiber (5) welding need to be polished, polish angle for 0 °~
8 °, and it is coated with anti-reflection film, the other end of the quartz pushrod is plane.
7. according to claim 6 be directed toward adjustable optical fiber output laser generator, which is characterized in that the shell (3)
On be provided with sealing element (6) for sealing heat-conducting medium (4) hole for injecting glue.
8. according to claim 7 be directed toward adjustable optical fiber output laser generator, which is characterized in that the heat-conducting medium
It (4) is heat-conducting silicone grease, arctic silver.
9. according to claim 8 be directed toward adjustable optical fiber output laser generator, which is characterized in that the shell (3)
Inside is additionally provided with hygrosensor (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610288247.7A CN105870767B (en) | 2016-05-03 | 2016-05-03 | It is a kind of to be directed toward adjustable optical fiber output laser generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610288247.7A CN105870767B (en) | 2016-05-03 | 2016-05-03 | It is a kind of to be directed toward adjustable optical fiber output laser generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105870767A CN105870767A (en) | 2016-08-17 |
| CN105870767B true CN105870767B (en) | 2019-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610288247.7A Expired - Fee Related CN105870767B (en) | 2016-05-03 | 2016-05-03 | It is a kind of to be directed toward adjustable optical fiber output laser generator |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109124762A (en) * | 2018-10-22 | 2019-01-04 | 中国科学技术大学 | A kind of ablatograph and its laser ablation needle |
| CN112951061B (en) * | 2021-03-17 | 2023-03-24 | 西安大峡谷视觉科技有限公司 | Sand table model light control display method, sand table model and electronic equipment |
| CN114157352A (en) * | 2021-12-03 | 2022-03-08 | 浙江大学 | Infrared laser auxiliary alignment structure based on movable spherical joint |
| CN115133385B (en) * | 2022-07-01 | 2024-07-09 | 广东先导先进材料股份有限公司 | Sealing assembly for laser and solid laser |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1174628B (en) * | 1984-07-31 | 1987-07-01 | Lussorio Rinaldo Pala | DEVICE FOR DIRECTIONAL ADJUSTMENT OF THE BEAM OF LIGHT EMITTED BY A LASER TUBE |
| CN101251630A (en) * | 2008-04-14 | 2008-08-27 | 福州高意通讯有限公司 | Optical fiber casing tube of optical fiber head |
| CN201697631U (en) * | 2010-07-06 | 2011-01-05 | 西安北方光电有限公司 | Laser alignment beam adjusting mechanism |
| WO2015155994A1 (en) * | 2014-04-10 | 2015-10-15 | アダマンド株式会社 | Optical fiber assembly, optical coupling device, and optical fiber coupling device |
| CN204361472U (en) * | 2014-12-20 | 2015-05-27 | 中国科学院西安光学精密机械研究所 | Wedge butt-jacking type optical fiber laser emitting head adjusting mechanism |
| CN205609946U (en) * | 2016-05-03 | 2016-09-28 | 中电科天之星激光技术（上海）有限公司 | Directional adjustable optic fibre output laser generator |
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| CN105870767A (en) | 2016-08-17 |
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Effective date of registration: 20200904 Address after: 200437 Shanghai city Yangpu District Yixian Road No. 135 Patentee after: SHANGHAI TRANSMISSION LINE RESEARCH INSTITUTE (NO 23 RESEARCH INSTITUTE OF CHINA ELECTRONICS TECHNOLOGY Group CORPORATION) Address before: 200434 Shanghai city Yangpu District Yixian Road No. 135 Patentee before: TXSTAR LASER TECHNOLOGY (SHANGHAI) Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190319 |